PDF malware analysis — malicious · f0f42dd19579f511

MALICIOUS

PDF

39.7 KB Created: 2020-07-26 22:01:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 38ce377f6504b9f57ce5d35dc859015f SHA-1: 4c2c1e670c116a13150d2bdb84c2291fd6da2294 SHA-256: f0f42dd19579f511020ae976053b725afbfff024eb43dc1bdc2de04593162433

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits a PDF link farm pattern, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains text fragments that, combined with the heuristics, suggest a lure for callback phishing or a tech-support scam. The primary malicious IOC is the redirector URL.

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.cc/pify?keyword=distance+christina+perri+piano+sheet+music
- http://files.societyofhealingtouchprogramalberta.ca/uploads/1/3/1/8/131856105/6080c17e59.pdf
- http://files.lenka-photography.com/uploads/1/3/0/9/130969740/metilog.pdf
- http://files.crossfitelgin.com/uploads/1/3/1/3/131380213/d35bfc851272834.pdf
- http://files.santashelpersscv.com/uploads/1/3/1/1/131163898/7878539.pdf
- http://files.santashelpersscv.com/uploads/1/3/1/1/
- https://cdn.shopify.com/s/files/1/0432/4048/9122/files/36619699987.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/30715774751.pdf
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/30985804765.pdf
- https://cdn.shopify.com/s/files/1/0436/9471/9131/files/nopun.pdf
- https://cdn.shopify.com/s/files/1/0434/4381/4560/files/kuvufipifotosurup.pdf
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/3816884296.pdf
- https://cdn.shopify.com/s/files/1/0429/2512/9894/files/mibezinukepikiti.pdf
- https://cdn.shopify.com/s/files/1/0434/5305/5128/files/79750925303.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3429/files/wufuxel.pdf
- https://cdn.shopify.com/s/files/1/0430/9306/5877/files/nosenatoxu.pdf
- https://cdn.shopify.com/s/files/1/0434/0645/9032/files/venuwubumozirekezarega.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5191/files/wogajurutowika.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005cfb.bin` `30f34296dc0cf59b1a7720a4520828c3f9d3e16186949c43278c6b3d39fa4452`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CFB	5024 bytes
`font_01_sfnt_off00006dd1.bin` `aaf4bdd22edd49378ef88a2f46f3b3250ddd4a86e0046b056458404e01a8e573`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DD1	10468 bytes

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